LogRhythm
by LogRhythm
Covered
10
controls
Partial
2
controls
Gaps
4
controls
Overview
LogRhythm by LogRhythm is a siem & logging solution that covers 10 NIST 800-171 controls (9% total coverage). It addresses key requirements in the siem & logging domain for defense contractors pursuing CMMC compliance.
Controls Covered (10)
Implementation Notes
Deploy LogRhythm with FIPS-validated configurations. Integrate with your SIEM for centralized audit logging. Review partial controls quarterly to identify supplementary tooling needs.
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Implementation Guidance for LogRhythm
Configure LogRhythm for NIST 800-171 compliance by focusing on AU (Audit and Accountability), SI (System and Information Integrity), AC (Access Control), and IR (Incident Response) control families. For AU controls, enable comprehensive log collection from all CUI systems using LogRhythm System Monitor agents, configure log retention for 90+ days as required by AU-11, and establish automated log review processes using AIE rules. Set up centralized time synchronization (AU-8) and ensure log integrity through digital signatures. For SI controls, deploy Network Monitor for real-time traffic analysis, configure vulnerability correlation rules, and establish automated alerting for security events per SI-4. Implement malware detection rules and integrate with endpoint protection platforms. For AC controls, enable user behavior analytics to detect privilege escalation and unauthorized access attempts, configure role-based dashboards for security personnel, and establish session monitoring capabilities. For IR controls, create incident response playbooks within the SIEM, configure automated case creation for high-priority events, and establish evidence collection workflows. Generate assessment evidence through LogRhythm's compliance reporting module, creating audit trails for log access (AU-9), search activities, and administrative actions. Integrate LogRhythm with Active Directory for user context, vulnerability scanners for risk correlation, and ticketing systems for incident workflow. Common misconfigurations include insufficient log source coverage, inadequate retention policies, weak AIE rule sets that generate excessive false positives, and failure to implement proper role-based access controls for SIEM administrators, all of which lead to C3PAO findings during assessments.
Gap Analysis & Compensating Controls
LogRhythm's 4 uncovered NIST controls primarily fall within AC (Access Control), CM (Configuration Management), and SC (System and Communications Protection) families. The most significant gaps are in access control enforcement mechanisms (AC-3, AC-6) where LogRhythm provides monitoring but not enforcement, requiring integration with identity management platforms like CyberArk or Microsoft ADFS. Configuration management gaps (CM-2, CM-8) need asset inventory and configuration baseline tools such as Qualys VMDR or Rapid7 InsightVM to track system configurations and unauthorized changes. For communications protection gaps (SC-7, SC-8), network security tools like Palo Alto firewalls or Cisco ASA are essential for boundary protection and encrypted communications that LogRhythm can monitor but not provide. Document these gaps in your System Security Plan by identifying LogRhythm as a detective control while specifying compensating preventive controls. In your POA&M, prioritize closing access control gaps first (highest CMMC weight), followed by configuration management, then communications protection. Establish clear timelines for implementing compensating controls and demonstrate how LogRhythm's monitoring capabilities provide oversight of these supplementary tools. Consider LogRhythm's API integration capabilities when selecting compensating tools to ensure centralized visibility and correlated alerting across your security stack.
Compliance Cost Estimate
LogRhythm licensing ranges from $15,000-$50,000 annually for small defense contractors (100-500 employees) to $100,000-$300,000 for larger organizations, based on data volume and user count. Implementation costs typically add 50-75% of first-year licensing fees, including professional services for deployment, rule configuration, and integration setup. Ongoing maintenance requires 0.5-1.0 FTE security analyst for rule tuning, incident response, and compliance reporting, adding $75,000-$150,000 annually in personnel costs. Compared to competitors like Splunk Enterprise Security ($3,000-$5,000 per GB/day) or IBM QRadar ($20,000-$80,000 annually), LogRhythm offers competitive mid-market pricing with predictable licensing models. Total 3-year cost of ownership typically ranges $400,000-$800,000 for mid-sized defense contractors, making it cost-effective for NIST 800-171 compliance when considering its comprehensive coverage of audit and monitoring requirements.
Compliance Cross-References
LogRhythm directly supports DFARS 252.204-7012 requirements for adequate security and incident reporting by providing continuous monitoring, automated alerting, and forensic capabilities for CUI protection. For CMMC Level 2, LogRhythm satisfies assessment objectives in AU.L2-3.3.1 (audit record creation), AU.L2-3.3.2 (audit record content), SI.L2-3.14.1 (flaw remediation), and IR.L2-3.6.1 (incident handling). The platform's user behavior analytics support AC.L2-3.1.2 (access enforcement) through monitoring, while log correlation addresses SI.L2-3.14.2 (malicious code protection). For FedRAMP alignment, LogRhythm maps to AU-2 (auditable events), AU-3 (audit record content), AU-6 (audit review and reporting), SI-4 (information system monitoring), and IR-4 (incident handling). However, LogRhythm requires supplementary tools for CMMC domains like Access Control enforcement (AC.L2-3.1.1), Asset Management (AM.L2-3.4.1), and System Security Plan maintenance (CA.L2-3.12.1). Defense contractors should position LogRhythm as the central monitoring and detection platform while implementing additional preventive controls for complete CMMC Level 2 compliance.
Frequently Asked Questions
How many NIST 800-171 controls does LogRhythm cover?
LogRhythm covers 10 of 110 NIST 800-171 controls (9%), with 2 partially covered and 4 gaps.
Can LogRhythm alone satisfy CMMC Level 2?
No single tool covers all 110 NIST 800-171 controls. LogRhythm covers 9% and should be part of a layered security stack addressing the remaining controls.
What controls does LogRhythm not cover?
LogRhythm does not cover controls mp-3-8-1, ia-3-5-1, pe-3-10-1, ac-3-1-1. These require supplementary solutions such as physical security controls, additional access management, or media protection tools.
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